12 <strong>Stream</strong>-<strong>Profile</strong> <strong>Analyses</strong> <strong>Using</strong> a <strong>Step</strong>-<strong>Backwater</strong> <strong>Model</strong> <strong>for</strong> Selected Reaches in the Chippewa Creek Basin in Ohio Muskingum Watershed Conservancy District, 1961, Official plan <strong>for</strong> the Chippewa Subdistrict of Muskingum Watershed Conservancy District: New Philadelphia, Ohio, plan plus 3 amendments added at later dates [variously paged]. Shearman, J.O., Kirby, W.H., Schneider, V.R., and Flippo, H.N., 1986, Bridge waterways analysis model—Research report: Federal Highway Administration Publication FHWA–RD–86–108, 112 p. U.S. Army Corps of Engineers, 2004, Corpscon, Technical Documentation and Operating Instructions, user’s guide, Version 6.0.1. U.S. Army Corps of Engineers, 2008a, Hydrologic Engineering Center River Analysis System (HEC-RAS), user’s manual, version 4.0.0: accessed June 5, 2008 at http://www. hec.usace.army.mil/software/hec-ras/hecras-download.html. U.S. Army Corps of Engineers, 2008b, Hydrologic Engineering Center River Analysis System (HEC-RAS), hydraulic reference manual, version 4.0.0. U.S. Army Corps of Engineers, 2008c, Hydrologic Engineering Center River Analysis System (HEC-RAS), applications guide, version 4.0.0. U.S. Bureau of the Census, 2009, County population estimates: accessed November 1, 2010, at http://www.census. gov. U.S. Department of Agriculture, 1956, Work plan <strong>for</strong> the watershed protection and flood prevention—Chippewa Creek Watershed—Wayne, Medina, Summit, and Stark Counties, Ohio: Soil Conservation Service, [variously paged]. U.S. Department of Agriculture, 1980, Flood hazard study Chippewa Creek, Wayne County, Ohio: Soil Conservation Service, 16 p. U.S. Geological Survey, 2001, National land cover database: U.S. Geological Survey database, accessed on November 1, 2010, at http://www.mrlc.gov/mrlc2k_ncld.asp. U.S. Geological Survey, 2008, Ohio <strong>Stream</strong>Stats: accessed November 1, 2010, at http://water.usgs.gov/osw/streamstats/ ohio.html. Zilkoski, D.B., D’Onorfrio, J.D., and Frakes, S.J., 1997, Guidelines <strong>for</strong> establishing GPS-derived ellipsoid heights (Standards: 2 cm and 5 cm), version 4.3: Silver Spring, Md., National Oceanic and Atmospheric Administration Technical Memorandum NOS NGS–58, 21 p., accessed December 10, 2009 at http://www.ngs.noaa.gov/PUBS_LIB/NGS-58. html.
Appendix 1. Descriptions of Benchmarks 14 CWL Seville, 2.2 mi NW. of; 0.1 mi SE. of intersection of Interstate Highway 71; 460 ft S. of, and 2 ft lower than centerline of rd. opposite tree line E.; 84 ft N. and 33 ft. E. of centerline of rd. at junction of drive E. to residence of E.S. Paxon 87 ft. ENE. of centerline of B. & O. RR.; 3 ft. NW. of power pole; in concrete post; standard tablet stamped “14 CWL 1952 1008 TT” Elev 1007.533 (NGVD 29) converted with Corpscon Elevation 1006.86 (NAVD 88) 23 EVB Poe, 1.6 mi S. of, along State Highway 57; 1.7 mi. N. of Blake; 17 ft N. and 19 ft W. of, and 2 ft lower than centerline of rd opposite fenceline W.; 17 ft N. and 6 ft E. of pole; in W. concrete abutment of culvert; standard tablet stamped “23 EVB 1959 1188” Elev 1188.186 (NGVD 29) converted with Corpscon Elevation 1187.54 (NAVD 88)